Furnace for heating nail-plates.



PATENTED FEB. 12, 1907.

W. s. MYERS.

FURNACE FOR-HEATING NAIL PLATES,

APPLICATION FILED SEPT.20.1906.

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1n: NORRIS PET UNITED STATES PATENT OFFICE.

WILLIAM S. MYERS, OF ASHLAN D, KENTUCKY, ASSIGN OR TO NORTON IRON WORKS, OF ASHLAND, KENTUCKY, A CORPORATION OF KENTUCKY.

FURNACE FOR HEATING NAIL-PLATES.

Specification of Letters Patent.

Patented Feb. 12, 1907.

Application filed September 20, 1906. Serial No. 335,402.

To all whom it may concern:

Be it known that I, IVILLIAM S. MYERS, a citizen of the United States, residing at Ashland, in the county of Boyd and State of Kentucky, have invented certain new and useful Improvements in Furnaces for Heating N ail- Plates, of which the following is a specifica tion.

My invention relates to a furnace for heating nail-plates, and has for its object the provision of a device of this character having compartments adapted to receive a pile of nail-plates, said nail-plates when in position forming walls which subdivide said compartments and form flues for conducting the products of combustion from the combustion-chamber to an exterior flue.

A further object of the invention is the provision of improved means for directing the products of combustion against the piles of nail-plates at any desired point.

Further objects and advantages of the invention will be set forth in the detailed description which now follows.

11 the accompanying drawings, Figure 1 is a view, partly in side elevation and partly in section, of a furnace for heating nail-plates constructed in accordance with the invention. Fig. 2 is a plan view of the furnace. Fig. 3 is a transverse vertical section upon line as a: of Fig. 1, and Fig. 4 is a detail view of a burner hereinafter described.

Like numerals designate corresponding parts in all of the figures of the drawings.

eferring to the drawings, the numeral 5 designates a pedestal upon which the furnace proper is mounted. This furnace comprises a rectangular base portion 6 and a top portion 7, the inner walls of said top portion being preferably lined with asbestos or other flame-resisting material, (indicated at 8,) although this is not essential. The furnace is subdivided by a central partition of flameresisting material, (indicated at 9.) Combustion-chambers 10 are formed by the walls 11, which extend across the base portion 6. Nail-plate supports 12 are carried by the top portion 7 of the furnace and are adapted to support piles of nail-plates 13. Doors 14 are hinged, as at 15, to the top portion of the furnace and are adapted to close the front ends of the compartments A and B, which are formed in the upper portion of the furnace by the dividing-wall 9. Guide-strips these compartments 14 are adapted to space the nail-plates from the side walls of the furnace, as is clearlyillustrated in Fig. 3.

By referring to Fig. 1 it will be seen that the front and rear walls of the furnace are incline By virtue of this construction the ends of the nail-plates at the front of the furnace slightly overlap each other, the top nailplate projecting aslight distance beyond the next lower nail-plate. This renders it easy for a workman to grasp the heated nail-plate with a proper tool to withdraw said plate from the furnace. Burners 15 are located in the lower portions of the combustion-chambers. A portion of one of these burners has been illustrated upon an enlarged scale in Fig. 4, and it will be seen by referring to said figure that these burners comprise a gas-supply pipe 16 and an air-supply pipe 17, the airsupply pipe being provided with upwardlydirected nipples 18, into which smaller nipples 19, leading from the gas-pipe, project. These burners extend entirely across the combustion-chambers, and the pipes which conduct the air and gas thereto are provided with controlling-valves 20. It is to be understood, however, that the invention is not limited to the employment of a gas-burner in the combustion-chambers, but includes within its purview any means for producing heat within the combustion-chambers.

Deflectors 21 are carried upon the lower ends of rods 22. These rods pass through bosses 23, formed upon the top of the furnace,

and are normally held against movement by set-screws 24. By loosening the set-screws vertical movement may be imparted to these deflectors to direct the products of combustion against the pile of nail-plates at any desired point. By referring to Fig. 3 it will be seen that the products of combustion from the burners 15 pass upwardly between the piles of nail-plates, over the tops of said piles of nail-plates, and then down the outer sides of said piles of nail-plates and into a com partment 25. As is best illustrated in Fig. 1, communicate at the rear of the furnace with flues 26, said flues being joined, as at 27.

From the foregoing description it will be seen that simple and efficient means are herein provided for effectively heating piles of nail-plates, for controlling the point at which the greatest degree of heat shall be applied,

- ed claims.

position that they may the best advantage.

and for maintaining said nail-plates in such be readily withdrawn. Efiicient means are also provided for causing the proper mixing of the air and gas in the combustion-chambers and for readily controlling the proportions of the air and gas admitted. It will also be seen that by utilizing the piles of nail-plates as walls to form flues for the products of combustion economy in space within the furnace is attained. The entire interior of the upper ortion of the furnace is thereby utilized to The products of combustion are caused to travel up one of the sides of each of the piles of down the other side of said pile, thereby thoroughly heating both sides of said nailplates and utilizing the products of combus tion to the best advantage for the purpose sought; but wh'le the elements herein shown and described are Well adapted to serve the purpose for which they are intended it is to be understood that my invention is not limited to the precise construction set forth, but includes within its purview such changes as may be made within the scope of the append- What I claim is 1. In a furnace of the character set forth, a combustion-chamber, means for supporting piles of nail-plates above said combustionchamber, means for spacing said nail-plates from the walls of the furnace, and a deflector arranged to direct the products of combustion from the combustionchamber against said nail-plates.

2. In a furnace of the character set forth, a combustion-chamber, means for supporting piles of nail-plates above said combustionchamber, means for spacing said nail-plates from the walls of the furnace, and a movable deflector arranged to'direct the products of combustion from the combustion-chamber against said nail-plates.

3. In a furnace of the character set forth, a combustion-chamber, means for supporting piles of nail-plates above said combustionchamber, means for spacing said nail-plates from the walls of the furnace, a deflector arranged to direct the products of combustion from the combustion-chamber against said nail-plates, and means for moving said defiector from the exterior of the furnace.

4. Afurnace of the character set forth having a combustion-chamber, a chamber lo-l nail-plates and cated at the base of the furnace, and a flue with which said chamber is in communication, means spaced from the wall of the combustion-chamber for supporting piles of nailplates above the combustion-chamber, the products of combustion passing up between the piles of nail-plates from the combustionchamber and down the outer sides of said piles of nail-plates to the bottom of the fur nace and thence to the flues, and a deflector located between said piles of nail-plates.

5. A furnace of the character described having an inclined rear wall, and means for supporting piles of nail-plates in said furnace in such manner that the front ends of said nail-plates w'll overhang each other.

6 A furnace of the character described having an inclined rear wall, an inclined door which closes the front of the furnace, and means for supporting piles of nail-plates in said furnace, the rear ends of said nail-plates being adapted to contact with the rear wall of the furnace in such manner that the front ends of said nail-plates overhang each other.

7. In a furnace of the character set forth, a central dividing-wall which divides said furnace into two compartments, combustionchambers located in each of the compartments of the furnace, mix'ng mechanism located in said combustionchambers, means for conducting air and gas to said mixing mechanisms, means for supporting piles of nail-plates above and at each side of the combustion-chambers, means for spacing said nail-plates from the walls of the compartments, and means for directing the products of combustion against said nailplates.

8. A furnace of the character set forth having a combustion-chamber, a chamber located at the base of the furnace, a flue leading from said last-named chamber, an d means for supporting piles of material to be heated above the combustion-chamber, said piles of material forming flues between themselves and the walls of the furnace, the products of combustion passing up between the piles of material and down between the piles of material and the walls of the furnace and thence through the .flue.

In testimony whereof Iaffixmy signature in presence of two witnesses.

WILLIAM S. MYERS.

Witnesses:

G. W. McNrLLY, O. O. HEMLEPT. 

